Fetch! With Ruff Ruffman"Snoop Dog"
FETCH!'s rival game show Go Get It! is produced by a mysterious organization called PURRS. Ruff sends all six kids to meet with a team of private investigators and learn how to become gumshoes. Ruff and the FETCHers then try to use their sleuthing skills to get to the bottom of who is behind PURRS. D

5:30 pm

Nightly Business Report
With unemployment high and inflation slow, the Federal Reserve signals near-zero interest rates through 2014. Analysts Diane Swonk and David Kelly weigh in on the decision. Prices at the grocery store are going up, but you may not have noticed the change at your favorite restaurant. D

Nature"Fortress of the Bears"
Part of the massive Tongass National Forest, Admiralty Island in southeast Alaska supports the largest concentration of bears anywhere in the world. Sustained by a wealth of salmon streams, isolated and protected by their environment, some 1,700 Alaskan brown bears are part of a unique circle of life that has played out here for centuries.G

8:00 pm

NOVA"Mystery of a Masterpiece"
In October 2009, a striking portrait of a young woman in Renaissance dress makes world news headlines. Originally sold two years before for around $20,000, the portrait is now thought to be an undiscovered masterwork by Leonardo da Vinci worth more than $100 million. NOVA meets a new breed of experts who are approaching "cold case" art mysteries as they deploy new techniques to combat the multi-billion dollar criminal market in stolen and fraudulent art.G

9:00 pm

Inside Nature's Giants"Monster Python"
In Florida's Everglades "python hunters" are attempting to control the python population (approximately 100,000) through a cull. In this show, experts dissect two pythons: a 9-foot male and a 14-foot female. The program explores the science of slithering, as well as the development of "infra-red goggles" that let the snakes hunt warm-blooded prey in the dark and a flexible jaw that allows them to stretch their mouths around huge prey, including alligators.G

10:00 pm

Ashes to Ashes
This sequel to LIFE ON MARS finds Alex Drake (played by Keeley Hawes) in the same London police world that Sam Tyler experienced, only now it is 1981 and DCI Gene Hunt has swapped the Ford Cortina for an Audi Quattro. Drake, a policewoman in service with the London Metropolitan Police and skillful at using psychological profiling, is shot in 2008, and now finds herself interacting with characters from her own time and those from the detailed reports logged by Sam.G